KKM UWB vs WaterSportMarks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KKM UWB
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KKM UWB is the companion application for the UWB beacon manufacture by KKM. Through this app, you can use some functions of UWB beacon, such as UWB Ranging and topology display. You can use this app to evaluate the performance of UWB beacons, such as ranging accuracy, Bluetooth connection distance, UWB distance, etc.
WaterSportMarks
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This app lets you control your WaterSportMarks via Bluetooth. Once you connect with your WaterSportMarks, you can see sensors data (e.g. GPS, IMU, ...), move your marks and set it to stay in position.
Screenshots
Verdict
The clearest difference is device support: WaterSportMarks at 3 against KKM UWB's 1. WaterSportMarks also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KKM UWB ships an update every 5 weeks, WaterSportMarks every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | KKM UWB | WaterSportMarks |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | KKM Co.,Ltd. | GCtronic Sagl |
In-app purchases
KKM UWB
No in-app purchases
WaterSportMarks
No in-app purchases
Questions
Is KKM UWB free?
Is WaterSportMarks free?
Do KKM UWB or WaterSportMarks have ads?
Which is updated more often, KKM UWB or WaterSportMarks?
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